From Guild Wars 2 Wiki
Gauntlet Chances are earned by defeating bosses in the Queen's Gauntlet while The Crown Pavilion is open.“
Double-click to open for a Festival Token and a chance at a rare reward.
— In-game description
- Added as a reward to the Queen's Gauntlet during the Festival of the Four Winds 2014.
- One Gauntlet Chance is earned by defeating a boss in the Queen's Gauntlet.
- An additional Gauntlet Chance is earned for each gambit you have active.